19Certificate of validity

#### 19 Certificate of validity (1) In any proceedings in a court in which the validity of a patent, or of a claim, is disputed, the court may certify that the validity of a specified claim was questioned. (2) If a court issues a certificate, then, in any subsequent proceedings for infringement of the claim concerned, or for the revocation of the patent so far as it relates to that claim, the patentee, or any other person supporting the validity of the claim is, on obtaining a final order or judgment in his or her favour, entitled to full costs, charges and expenses as between solicitor and client, so far as that claim is concerned. (3) Subsection (2) has effect subject to any direction by the court trying the proceedings.